Home / 70,125,369.90-96,771,152.43-39,185,793.42

Finding the Fourth Proportional to 70,125,369.90, 96,771,152.43 and 39,185,793.42

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Solution

The fourth proportional to 70,125,369.90, 96,771,152.43 and 39,185,793.42 is: 54,075,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125,369.90 : 96,771,152.43 = 39,185,793.42 : x
  2. Step 2: Convert to fraction form
    70,125,369.90/96,771,152.43 = 39,185,793.42/x
  3. Step 3: Cross multiply
    70,125,369.90x = 96,771,152.43 × 39,185,793.42
  4. Step 4: Simplify right side
    70,125,369.90x = 3,792,054,388,137,311.50
  5. Step 5: Solve for x
    x = 3,792,054,388,137,311.50/70,125,369.90
  6. Step 6: Final answer
    x = 54,075,356.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.